Case light G-code M355

implemented G-Code M355 into Marlin

Marlin/Conditionals_post.h

   #define HAS_E4_STEP (PIN_EXISTS(E4_STEP))
   #define HAS_DIGIPOTSS (PIN_EXISTS(DIGIPOTSS))
   #define HAS_BUZZER (PIN_EXISTS(BEEPER) || ENABLED(LCD_USE_I2C_BUZZER))
+  #define HAS_CASE_LIGHT (PIN_EXISTS(CASE_LIGHT))
 
   #define HAS_MOTOR_CURRENT_PWM (PIN_EXISTS(MOTOR_CURRENT_PWM_XY) || PIN_EXISTS(MOTOR_CURRENT_PWM_Z) || PIN_EXISTS(MOTOR_CURRENT_PWM_E))
 

Marlin/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/Marlin_main.cpp

   #endif
 }
 
+#if HAS_CASE_LIGHT
+
+  void setup_case_light() {
+    #if ENABLED(CASE_LIGHT_DEFAULT_ON)
+      OUT_WRITE(CASE_LIGHT_PIN, HIGH);
+    #else
+      OUT_WRITE(CASE_LIGHT_PIN, LOW);
+    #endif
+  }
+
+#endif
+
 void setup_powerhold() {
   #if HAS_SUICIDE
     OUT_WRITE(SUICIDE_PIN, HIGH);
 
 #endif // HAS_MICROSTEPS
 
+#if HAS_CASE_LIGHT
+  /**
+   * M355: Turn case lights on/off
+   *
+   *   S<int>   change state on/off or sets PWM
+   *
+   */
+  inline void gcode_M355() {
+    if (code_seen('S')) {
+      SERIAL_ECHO_START;
+      SERIAL_ECHOPGM("Case lights ");
+      byte light_pwm = code_value_byte();
+      switch (light_pwm) {
+        case 0: // Disable lights
+          SERIAL_ECHOPGM("off");
+          break;
+        case 1: // Enable lights
+          light_pwm = 255;
+          SERIAL_ECHOPGM("on");
+          break;
+        default: // Enable lights PWM
+          SERIAL_ECHOPAIR("set to: ", (int)map(light_pwm, 0, 255, 0, 100));
+          SERIAL_CHAR('%');
+          break;
+      }
+      analogWrite(CASE_LIGHT_PIN, light_pwm);
+      SERIAL_EOL;
+    }
+  }
+
+#endif // HAS_CASE_LIGHT
+
 #if ENABLED(MIXING_EXTRUDER)
 
   /**
 
       #endif // HAS_MICROSTEPS
 
+      #if HAS_CASE_LIGHT
+
+        case 355: // M355 Turn case lights on/off
+          gcode_M355();
+          break;
+
+      #endif // HAS_CASE_LIGHT
+
       case 999: // M999: Restart after being Stopped
         gcode_M999();
         break;
   setup_photpin();
   servo_init();
 
+  #if HAS_CASE_LIGHT
+    setup_case_light();
+  #endif
+
   #if HAS_BED_PROBE
     endstops.enable_z_probe(false);
   #endif

Marlin/example_configurations/Cartesio/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 35
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/Felix/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/Hephestos/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/Hephestos_2/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/K8200/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/K8400/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/RigidBot/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/SCARA/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/TAZ4/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/WITBOX/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/delta/biv2.5/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/delta/generic/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/makibox/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================

Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h

 #define EXTRUDER_AUTO_FAN_TEMPERATURE 50
 #define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
 
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+//#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+
 //===========================================================================
 //============================ Mechanical Settings ==========================
 //===========================================================================